2.1-2.7 slope review (Savvas)

Front

What is the unit rate for $3.60 for 3 pounds of apples?

Back

$1.20 per pound

Front

How do you find the slope of a line?

Back

Slope (m) = (change in y) / (change in x)

Front

What is the slope of the line represented by the equation y = 4/3x?

Back

4/3

Front

If a company sells apples for $3.60 for 3 pounds, which company has the cheaper price per pound?

Back

Carmine's Candy

Front

What is the equation of the line if the slope is 5 and the y-intercept is 0?

Back

y = 5x

Front

Write an equation that relates y to x if the slope is 3.

Back

y = 3x

Front

What does a slope of 0 indicate about a line?

Back

The line is horizontal.

Front

What does a negative slope indicate about a line?

Back

The line is decreasing from left to right.

Front

How do you calculate the slope from two points (x1, y1) and (x2, y2)?

Back

m = (y2 - y1) / (x2 - x1)

Front

What is the unit rate for 10 miles in 2 hours?

Back

5 miles per hour